NPtest 情報館 ver.3.04

F = datas/andoku3-hard-0286.txt
2021-10-11 20:56:50 更新
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Andoku 3 hard #0286

インデックス
Andoku3
Andoku3-hard

--- 1-- 95-
95- -83 -7-
7-- 59- ---

-9- --- 5-7
-75 --- 28-
2-3 --- -1-

--- -41 --5
-8- 37- -94
-49 --5 ---

---------+-------+---------
38 23 4 !1 26 7 !9 5 268
9 5 26 !4 8 3 !16 7 126
7 1 268!5 9 26!3 4 268
---------+-------+---------
18 9 18 !2 3 4 !5 6 7
4 7 5 !6 1 9 !2 8 3
2 6 3 !7 5 8 !4 1 9
---------+-------+---------
6 23 7 !9 4 1 !8 23 5
5 8 12 !3 7 26!16 9 4
13 4 9 !8 26 5 !7 23 126
---------+-------+---------

Difficulty: 非常に難しい
Rating: 4.2 (easiest: 1.0, hardest: 10.0)

The Sudoku can be solved using the following solving techniques:
13 x Full House
8 x Hidden Single (block)
1 x Locked Candidates (Pointing, block)
1 x X-Wing
1 x Swordfish
1 x XY-Wing

Ii≠2 // 列予約
Gh≠1 // XY-Wing Cb:Gb,Ch
Ii=1 // HS
Ch=1 // HS
Ad=1 // HS
Gb=1 // HS
Bg=2 // HS
Hi=2 // HS
Fh=2 // HS
Ea=2 // HS
Ai=3 // FH
Ba=3 // FH in column
Hg=3 // FH in column
Gh=6 // FH
Ei=6 // FH
Fc=6 // FH
Cb=6 // HS
Ia=6 // HS
Ib=2 // FH in row
Cc=2 // HS
Aa=8 // FH
Cd=8 // FH
Ic=8 // FH
Solved

別解　Apli10000による
Ii≠2 // 列予約
Ib,Ic≠6 // X-Wing 6 aiEI
Ia≠2 // Swordfish 2 BEHagi
Gc≠2 // XY-Wing Ia:Ea,Ic
以下略

[EOF]